HP D2D HP D2D Backup System Concepts guide (EH985-90915, March 2011) - Page 23

HP D2D250x Series Fan IN example, HP D2D4xxx Series, Remote Site 1

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Figure 8 HP D2D250x Series Fan IN example HP D2D4xxx Series • Each HP D2D4004/4009 or HP D2D4106 Target Appliance can support up to 16 Source Appliances. • Each HP D2D4112 Target Appliance can support up to 24 Source Appliances. • Each HP D2D4312 Target Appliance can support up to 50 Source Appliances. • Each HP D2D4324 Target Appliance can support up to 50 Source Appliances. Shares may only be mapped on a one-to-one basis, but each library on the Target Appliance may be mapped to a maximum of 4 libraries on each Source Appliance. In other words, one Source Share may be mapped into a single HP D2D 4xxx Series Target Share; up to four Source Libraries may be mapped into a single HP D2D 4xxx Series Target Library. For example: a research establishment has 5 remote sites, and a total of 10 Source Appliances. NOTE: The following example illustrates how an HP D2D4000/4100 or 4300 Series Appliance at the Data Center can easily support 20 libraries. However, if NAS shares were being used, only the HP D2D4100 and 4300 Series would be able to support all 20 NAS shares, because of the one-to-one mapping. • Remote Site 1 and Remote Site 4 each have one D2D Appliance and are running 4 projects. They have configured a Source Library for each project on their HP D2D. Each set of 4 libraries can be mapped to a single library on the Target Appliance at the Data Center. The ability to replicate slots from up to 4 libraries on Source Appliances into a single Target Library on a Target Appliance allows for some additional level of data deduplication across the backed up data; for example, common operating system files. • Remote Site 2 has two D2D Appliances, each with two Source Libraries. We can map the slot mapping collections from those libraries into a single HP D2D 4xxx series Target Library. Replication concepts and terminology 23

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Figure 8 HP D2D250x Series Fan IN example
HP D2D4xxx Series
•
Each HP D2D4004/4009 or HP D2D4106 Target Appliance can support up to 16 Source
Appliances.
•
Each HP D2D4112 Target Appliance can support up to 24 Source Appliances.
•
Each HP D2D4312 Target Appliance can support up to 50 Source Appliances.
•
Each HP D2D4324 Target Appliance can support up to 50 Source Appliances.
Shares may only be mapped on a one-to-one basis, but each library on the Target Appliance may
be mapped to a maximum of 4 libraries on each Source Appliance. In other words, one Source
Share may be mapped into a single HP D2D 4xxx Series Target Share; up to four Source Libraries
may be mapped into a single HP D2D 4xxx Series Target Library.
For example: a research establishment has 5 remote sites, and a total of 10 Source Appliances.
NOTE:
The following example illustrates how an HP D2D4000/4100 or 4300 Series Appliance
at the Data Center can easily support 20 libraries. However, if NAS shares were being used, only
the HP D2D4100 and 4300 Series would be able to support all 20 NAS shares, because of the
one-to-one mapping.
•
Remote Site 1
and
Remote Site 4
each have one D2D Appliance and are running 4 projects.
They have configured a Source Library for each project on their HP D2D. Each set of 4 libraries
can be mapped to a single library on the Target Appliance at the Data Center. The ability to
replicate slots from up to 4 libraries on Source Appliances into a single Target Library on a
Target Appliance allows for some additional level of data deduplication across the backed
up data; for example, common operating system files.
•
Remote Site 2
has two D2D Appliances, each with two Source Libraries. We can map the slot
mapping collections from those libraries into a single HP D2D 4xxx series Target Library.
Replication concepts and terminology
23